An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6320-00-025-9910
NSN 6145-01-023-7719
NSN 5930-01-556-4430
NSN 5930-00-104-6148
NSN 6610-01-586-8678
NSN 6135-01-124-2376
NSN 4140-01-534-9987
NSN 5945-01-103-9320
NSN 2925-01-592-3907
NSN 6145-01-448-2949
NSN 5965-01-648-4384
NSN 6645-00-222-2785